[vox-tech] can you run it faster for my 110 program?

[Chan Yan Huang]

this part running painfully slow.  its correct but if i handin this i will
lose all the pts in cpu speed contest
that's about 30 % of program of my grade.  open for suggestion it is
basically initialize a double pointer to
take input.  but it is tooo ooo  slow , my instructor sean give zero for
that.  and i can't think any improvement
.  help man !!!!!!

istream & operator>> (istream &in, Grid &grid)
{
 int x,edgesNum;

 int i = 0 ;
 while (in >> x)
 {
    in >> edgesNum; //the number of edges 1-5
    grid.Vertices[x]->EdgeSize = edgesNum;
    (grid.Vertices[x])->edges = new Edge *[edgesNum];   //2 nd edges is
    while ( i<edgesNum)
    {
      grid.Vertices[x]->edges[i] = new Edge();
      in >> grid.Vertices[x]->edges[i]->ToVertax;
      in >> grid.Vertices[x]->edges[i]->Weight;
      grid.Vertices[x]->edges[i]->FromVertax = x;
      i++;
    }

    i = 0;
 //might need a getline to go to next line for input
 }
  return in;
} // operator>>